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Empty set literal?

... @andy That's not an empty set - that's a set containing the number 1. You don't need the trailing comma by the way - that's only required for tuples. – sepp2k Jan 19 '15 at 13:12 ...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...odifier on default methods, it turns out that doing so would be dangerous, and so was prohibited. Synchronized methods are a shorthand for a method which behaves as if the entire body is enclosed in a synchronized block whose lock object is the receiver. It might seem sensible to extend this sem...
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Inheriting class methods from modules / mixins in Ruby

... A common idiom is to use included hook and inject class methods from there. module Foo def self.included base base.send :include, InstanceMethods base.extend ClassMethods end module InstanceMethods def bar1 'bar1' end end module ...
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How do I convert a datetime to date?

... To get in UTC which can be very helpful --> datetime.datetime.utcnow() and correspondingly datetime.datetime.utcnow().date() – Nick Brady Mar 7 '16 at 22:51 2 ...
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SQL Server principal “dbo” does not exist,

...My database did not have had any owner before this issue. Execute this command in your database to set owner to sysadmin account: use [YourDatabaseName] EXEC sp_changedbowner 'sa' share | improve ...
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Best way to remove from NSMutableArray while iterating?

In Cocoa, if I want to loop through an NSMutableArray and remove multiple objects that fit a certain criteria, what's the best way to do this without restarting the loop each time I remove an object? ...
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Resumable downloads when using PHP to send the file?

...tent. Then, if request with a Range: bytes=x-y header is received (with x and y being numbers) you parse the range the client is requesting, open the file as usual, seek x bytes ahead and send the next y - x bytes. Also set the response to HTTP/1.0 206 Partial Content. Without having tested anythi...
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Autoreload of modules in IPython [duplicate]

...lly requested to. I'm doing a lot of exploratory programming using IPython and SciPy and it's quite a pain to have to manually reload each module whenever I change it. ...
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How can I set focus on an element in an HTML form using JavaScript?

...PI (e.g. Document.forms, Document.getelementsByTagName or Node.childNodes) and either rely on a known document structure or look for some element specific properties. – peterph Jun 16 '14 at 10:03 ...
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How can I print a circular structure in a JSON-like format?

I have a big object I want to convert to JSON and send. However it has circular structure. I want to toss whatever circular references exist and send whatever can be stringified. How do I do that? ...